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HD 97327

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Observations of double stars and new pairs. XV The study reports visual and photographic measures listed for 1150 pairsobtained in the time frame 1989.91-1992.15, including 221 new doublestars. Magnitudes were estimated for a part of the objects, especiallythe fainter ones. Plate orientations were calculated from field stars ofknown positions and were precessed to the epoch; numbers of nights andof measured exposures are given. Reobservation of faint, neglected pairsreveal many corrections to the data from the old discovery lists.
The calibration of the Stromgren photometric system for A, F and early G supergiants. I - The observational data An empirical calibration of the Stromgren uvby-beta photometric systemfor the A, F, and early G supergiants is being derived. This paperexplains the observational program and the photometric reductiontechniques used and presents a catalog of new Stromgren photometry forover 600 A, F, and G supergiants.
ICCD speckle observations of binary stars. V - Measurements during 1988-1989 from the Kitt Peak and the Cerro Tololo 4 M telescopes Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1990AJ.....99..965M&db_key=AST

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Osservazione e dati astrometrici

Costellazione:	Idra
Ascensione retta:	11^h11^m49.04^s
Declinazione:	-34Â°49'05.7"
Magnitudine apparente:	8.363
Distanza:	106.045 parsec
Moto proprio RA:	-23
Moto proprio Dec:	-14.2
B-T magnitude:	8.882
V-T magnitude:	8.406

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 97327
TYCHO-2 2000	TYC 7209-1638-1
USNO-A2.0	USNO-A2 0525-13873125
HIP	HIP 54693

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